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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sat oct 18 2025

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a developing area of low pressure at 29.6 inches this 
evening over the mid- mississippi valley will reach lower michigan 
by tomorrow morning while deepening to 29.4 inches. this low will 
continue to move north to james bay through tomorrow night while 
deepening to 29.2 inches, with a trailing cold front crossing the 
lake sunday night. another 29.5 inch low will develop along the 
frontal boundary monday over eastern new york, with this low moving 
north into quebec by tuesday and weakening to 29.6 inches. another 
29.4 inch low will then move into the upper great lakes tuesday 
night and wednesday before consolidating with the low over central 
quebec by thursday. this low will exit to the northeast over 
northern quebec friday, with a weak, 30.2 inch area of high pressure 
advancing across the upper ohio valley southern mid-atlantic friday.


loz062-190900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sat oct 18 2025

.overnight...south winds 10 to 15 knots. waves 1 to 3 feet.
.sunday...southeast winds 15 to 20 knots becoming south. showers
late. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday night...south winds 15 to 25 knots becoming west.
showers. waves 3 to 5 feet. 
.monday...northwest winds to 30 knots becoming west. showers.
waves 4 to 7 feet building to 8 to 11 feet. waves occasionally
around 14 feet. 
.monday night...west winds to 30 knots diminishing to 10 to
15 knots overnight. a chance of showers in the evening. waves
6 to 9 feet subsiding to 2 to 4 feet. waves occasionally around
11 feet. 
.tuesday...southwest winds 15 to 25 knots. showers. waves 1 to
3 feet building to 3 to 6 feet. 
.wednesday...southwest winds to 30 knots becoming west. showers.
waves 5 to 8 feet. waves occasionally around 10 feet. 
.thursday...west winds 15 to 25 knots. showers. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt sat oct 18 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 29.20 inches, rapidly develops along a
cold front over the mid-mississippi and moves over lower michigan
sunday, bringing the chance for southerly gales sunday morning
across central and southern lake huron with higher probabilities
for northwesterly gales over most of lake huron by late sunday
afternoon. elsewhere, near gale gusts can be expected. high
pressure builds in briefly on monday before another low pressure
moves through the region on tuesday bringing another chance at
gales.


lhz362-191000-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
948 pm edt sat oct 18 2025

...gale warning in effect from sunday afternoon through late
sunday night...

.rest of tonight...south winds 5 to 10 knots this evening
becoming light and variable...then becoming southeast 5 to
10 knots early in the morning. showers after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.sunday...southeast winds 10 to 15 knots becoming south 20 to
25 knots with gusts to around 30 knots in the late morning and
early afternoon...then becoming west to 30 knots with gusts to
35 knot gales late in the afternoon. showers. waves 4 to 6 feet
building to 8 to 12 feet in the late morning and afternoon. waves
occasionally around 15 feet. 
.sunday night...northwest winds to 30 knots with gusts to 40 knot
gales. scattered showers. waves 12 to 16 feet. waves occasionally
around 20 feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots becoming west 10 to 15 knots. waves 8 to 12 feet
subsiding to 4 to 6 feet early in the afternoon. waves
occasionally around 15 feet. 
.monday night...southwest winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and early morning...then
increasing to 15 to 20 knots after midnight. scattered showers
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and early morning...then building to 4 to 6 feet
after midnight. waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots veering to the southwest with gusts to around 30 knots
late in the afternoon. showers. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 20 to
25 knots with gusts to around 30 knots until early evening...then
becoming northwest 15 to 20 knots in the late evening and early
morning. showers. waves 6 to 9 feet. waves occasionally around
12 feet. 
.thursday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning. scattered
showers. waves 5 to 7 feet. waves occasionally around 10 feet. 


$$

fzus63 kdtx 190148
glflh 
expires:202510191000;;372056

open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt sat oct 18 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 29.20 inches, rapidly develops along a
cold front over the mid-mississippi and moves over lower michigan
sunday, bringing the chance for southerly gales sunday morning
across central and southern lake huron with higher probabilities
for northwesterly gales over most of lake huron by late sunday
afternoon. elsewhere, near gale gusts can be expected. high
pressure builds in briefly on monday before another low pressure
moves through the region on tuesday bringing another chance at
gales.


lhz363-462-463-191000-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
948 pm edt sat oct 18 2025

...gale warning in effect from 8 am edt sunday through late
sunday night...

.rest of tonight...south winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. showers after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight...then building to
2 to 4 feet early in the morning. 
.sunday...southeast winds 20 to 25 knots becoming south to
30 knots in the late morning and early afternoon...then veering
to the southwest late in the afternoon. gusts to 35 knot gales.
showers. waves 6 to 9 feet building to 10 to 14 feet in the
afternoon. waves occasionally around 18 feet. 
.sunday night...northwest winds to 30 knots. gusts to 40 knot
gales until early morning. numerous showers in the evening...then
scattered showers after midnight. waves 12 to 16 feet. waves
occasionally around 20 feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots becoming west 10 to 15 knots. waves 8 to 12 feet
subsiding to 5 to 7 feet early in the afternoon. waves
occasionally around 15 feet. 
.monday night...southwest winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and early morning...then
increasing to 15 to 20 knots after midnight. scattered showers
after midnight. waves 2 to 4 feet building to 4 to 6 feet after
midnight. waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots becoming southwest to
30 knots late in the morning...then decreasing to 20 to 25 knots
late in the evening. gusts to 35 knot gales. showers...then
numerous showers late in the afternoon. rain showers late in the
evening. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots veering to the west with gusts to around 30 knots until
early morning. showers...then numerous showers in the late
evening and early morning. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.thursday...west winds 20 to 25 knots decreasing to 15 to
20 knots until early morning. numerous showers until afternoon...
then scattered showers until early morning. waves 6 to 9 feet.
waves occasionally around 12 feet. 


$$

fzus63 kdtx 190148
glflh 
expires:202510191000;;372057

open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt sat oct 18 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 29.20 inches, rapidly develops along a
cold front over the mid-mississippi and moves over lower michigan
sunday, bringing the chance for southerly gales sunday morning
across central and southern lake huron with higher probabilities
for northwesterly gales over most of lake huron by late sunday
afternoon. elsewhere, near gale gusts can be expected. high
pressure builds in briefly on monday before another low pressure
moves through the region on tuesday bringing another chance at
gales.


lhz464-191000-
lake huron from port sanilac to port huron beyond 5nm off shore-
948 pm edt sat oct 18 2025

.rest of tonight...south winds 5 to 10 knots becoming southeast
15 to 20 knots. numerous showers and scattered thunderstorms this
evening...then showers and scattered thunderstorms after
midnight. waves 1 to 3 feet building to 2 to 4 feet early in the
morning. 
.sunday...south winds 20 to 25 knots increasing to 30 knots late
in the morning...then decreasing to 20 to 25 knots in the
afternoon. sporadic gusts to 35 knot gales. showers. waves 6 to 9
feet. waves occasionally around 12 feet. 
.sunday night...west winds 20 to 25 knots becoming northwest to
30 knots in the late evening and early morning...then decreasing
to 20 to 25 knots after midnight. sporadic gusts to 35 knot 
gales. showers. waves 6 to 9 feet. waves occasionally around 12 
feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots becoming west 10 to 15 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.monday night...southwest winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and early morning...then
increasing to 15 to 20 knots after midnight. scattered showers
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and early morning...then building to 3 to 5 feet
after midnight. 
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots veering to the southwest with gusts to around 30 knots
late in the afternoon. showers...then numerous showers late in
the afternoon. rain showers late in the evening. waves 5 to
7 feet. waves occasionally around 10 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots veering to the west with gusts to around 30 knots until
early morning. showers...then numerous showers in the late
evening and early morning. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.thursday...west winds 20 to 25 knots decreasing to 10 to
15 knots. numerous showers early in the morning...then scattered
showers. waves 3 to 5 feet. 


$$